Flexible or portable closure – partition – or panel – Pleating type – Lazy-tong links pivot about axes parallel to panel
Patent
1988-08-31
1990-03-13
Johnson, Blair M.
Flexible or portable closure, partition, or panel
Pleating type
Lazy-tong links pivot about axes parallel to panel
160348, A47H 2300
Patent
active
049076353
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a liftable window drape. The primary purpose of such a drape is to function as a barrier to sight. At the same time, it is required to perform a decorative function; it serves as a window decoration and is accordingly from fabric webs of curtain material, especially in the form of woven and knit goods. This window drape typically has bands with loops for guide elements fastened to one of its sides, hereinafter denoted the rear side. The drawstrings allow the window drape to be raised to a desired degree during which the fabric web comes together uncontrollably between the guide elements thereby affecting the good appearance of the window drape. Furthermore, it is necessary to cut the window drape to the particular height of the window which is troublesome. In the known drape (European Patent Application No. 0 118 700), the loops extend vertically in the longitudinal direction of the band and an individual loop serves to hang a plate-shaped guide element.
It is an object of the invention to develop an inexpensive window drape which can be used equally well for different window heights and distinguishes itself by an attractive, satisfactory appearance both in the extended and gathered condition of its fabric web. According to the invention, this is achieved by the measures which have the following special significance:
Since the loops on the rear side of the fabric web consist of simple, floating weft bundles, economical production is assured. These weft bundles can either be directly fastened to the fabric web or can belong to a prefabricated folding band which is only later secured to the rear side of the fabric web, e.g., by sewing. The weft bundles, however, do not function, as described more fully below, only for direct or indirect guidance of the drawstrings. Rather, they also constitute gripping means for a connector which is threaded through at least two vertically spaced weft bundles belonging to a common drawstring. As a result, the region of the fabric web located therebetween is, at this location, gathered into a horizontal pleat which also remains in the extended condition of the window drape, that is, when the drawstring is completely released, and thus establishes the appearance of the curtain in the basic condition. Depending upon which weft bundles are engaged and drawn together by a connector and, further, the manner in which the associated neighboring weft bundles are joined by analogous connectors, a different appearance is achieved for the fabric web which is gathered in various ways. Beginning with a window drape of one sort, this dual function of the weft bundles makes it possible to create a large selection of different decorations. The horizontal pleats which thereby arise also establish a pre-bending location in the fabric web which, when the fabric web is raised via the drawstrings, bends further at this preferred location and accordingly also provides for a good appearance of the window drape in the gathered condition.
The invention can fundamentally be carried out in two ways each of which has its special advantages. One possibility is to also give the connector a dual function, namely, not only to be the generator of horizontal pleats but, at the same time, to serve as a guide element for the associated drawstring. To this end, it is sufficient to provide the connector with a guide eye through which the drawstring of the finished window drape is then passed. In this manner, the window drape is to be moved with all of the connectors so that all locations which serve to guide the various drawstrings simultaneously fulfill the function of permanently gathering horizontal pleats in their region.
An alternative of the invention makes it unnecessary to manufacture additional guide elements for the drawstring and to mount these on the weft bundles since, in this embodiment of the invention, the weft bundles themselves take over this function. This invention can be considerbly simplified if the drawstring is worked in like an "intermediate layer" during the text
REFERENCES:
patent: 4501311 (1985-02-01), Folland
Bunger Hans-Joachim
Kuttenkeuler Bernhard
August Bunger Bob-Textilwerk KG GmbH & Co.
Johnson Blair M.
Kontler Peter K.
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